白莲腐败病的防治研究  

STUDIES ON THE CONTROL OF RHIZOME ROT IN WHITE LOTUS

作　　者：刘安国[1] 刘光亮 杨民和[1] 李本信 汪金莲[1] 谢克强 罗友强[1] 张厚祯 

机构地区：[1]江西农业大学植保系,江西省广昌县白莲研究所,江西省广昌县驿前镇农技站

出　　处：《江西农业大学学报》1995年第4期439-445,共7页Acta Agriculturae Universitatis Jiangxiensis

摘　　要：白莲腐败病的防治，采用白莲与泽泻轮作，防效很高；与水稻轮作，一般可以减轻发病，防效较好；与旱作物轮作，发病较重；白莲连作，一般宜２～３年，４年以上发病重。莲田冬季浸水，具有好的防效，可以控制病菌的越冬和厚垣孢子的形成。合理施肥，避免过量施用含氮化肥，施用复合肥和农家有机肥，具有较好的防病效果。采用无病种藕，种藕消毒，杜绝种藕上的菌源。栽后，植株生长３～４片立叶时，挖除老种藕并销毁，防止带菌老种藕进入土壤中成为来年的菌源。防治此病，应采取综合治理的措施。The rotational cropping of white lotus and Alisma orientalis(sam.)Juzep had high controleffect on white lotus rhizome rot.The rotational cropping of white lotus and rice usually de-creased the percentage of rhizome rot.The rotational with dry farming crops alway worsen thisdisease.The successive cropping of white lotus was feasible for only 2～3 years,otherwise itwould worsen the disease.Winter-irrigation of the fields had good control effect.It might greatly diminish theoverwintering pathogenic fungi,and decrease the formation of their chlamydospores.Rational application of fertilizer-avoiding excessive application of nitrogen fertilizer,usingcompound and organic fertilizers had comparatively good control effect.Using noniofected reproductive lotus rhizome and disiofecting reprodctive lotus rhizomewere the important measures to diminish the pathogenic fungus source on the reproductive lotusrhizome.When the plant grew to the stage of 3～4 standing leaves,the old reproductive lotusrhizome should be dug away and destroyed so as to prevent it from carrying pathogenic fungusinto siol and becoming the pathogenic fungus source in the following years.To get this disease under control it is necessary to take integrated controlling measures.

关 键 词：白莲 腐败病 防治 综合治理 

分 类 号：S436.45[农业科学—农业昆虫与害虫防治]